<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>宽度自适应模式(左右)</title>
    <link rel="stylesheet" href="css/normalize.css" >
    <link rel="stylesheet" href="css/layout2.css" >
</head>
<body>
<div class="wrapper">
    <div class="header">
        <h1>宽度自适应布局</h1>
    </div>
    <div class="main">
        <div class="sidebar">
            <p>列宽250px</p>
        </div>
        <div class="content">自适应</div>
    </div>
    <div class="footer">
        <address>页脚信息</address>
    </div>
</div>
</body>
</html> 